After some thinking, testing and working @ beixo and Superframe we came up with a so called "spuugmodel" in cardboard. It helps to test the functionality, but this is only for folding reference. There are many folding options, all with their specific advantages and disadvantages. Just check the large number of patents on this.
We will continue on this one, now this cardboard model will be digitalized.
Check the model and the euphoria: